High temperature resistant epoxy resists multiple cycles of medical sterilization

Written by: Master Bond | Published:

Master Bond EP42HT-2Med meets USP Class VI requirements for bonding, sealing, coating and casting applications. This two component room temperature curable epoxy resists multiple cycles of medical sterilization including radiation, chemicals and steam. It can with withstand high temperatures up to 450°F.

Master Bond EP42HT-2Med is widely used in the medical device industry for manufacturing and repairing endoscopes, surgical instruments, catheters and more. This medical grade epoxy has the capability of withstanding repeated sterilizations, including radiation, ethylene oxide, chemical sterilants and especially autoclaving. In addition, it fully complies with the testing requirements of USP Class VI plastics.

This two component epoxy features an easy to use 100 to 40 mix ratio by weight or 100 to 50 by volume for bonding, sealing and coating applications. EP42HT-2Med delivers high strength bonds with a tensile strength exceeding 12,000 psi and a tensile lap shear strength greater than 2,000 psi at room temperature. It can also be used for potting and encapsulating up to 2-3 inches thick and has excellent electrical insulation properties. EP42HT-2Med cures readily at ambient temperatures or more quickly at elevated temperatures. To optimize properties and ensure biocompatibility, a desirable cure schedule is overnight at room temperature followed by 2-4 hours at 150-200°F.

In addition to withstanding various types of sterilizations, EP42HT-2Med resists a variety of chemicals including acids, bases, and solvents. Also noteworthy is its outstanding temperature resistance with a service temperature range from -60°F up to 450°F.

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